Download this Logitech Scanners device driver, then follow the procedure below. Adding a new driver is also required when a new port is added.0a ( Logitech) ( ). To download drivers you should find the Operation System the exact version click on the Download button. EXE - Complete TWAIN DataSource for all Logitech Handheld Scanners ( with the exception of the new ScanMan Color ). 0 Driver Download for Windows 95/ 98.